EP4543084A1 - Übergabeverarbeitungsverfahren und -vorrichtung sowie kommunikationsvorrichtung - Google Patents

Übergabeverarbeitungsverfahren und -vorrichtung sowie kommunikationsvorrichtung Download PDF

Info

Publication number
EP4543084A1
EP4543084A1 EP23826535.9A EP23826535A EP4543084A1 EP 4543084 A1 EP4543084 A1 EP 4543084A1 EP 23826535 A EP23826535 A EP 23826535A EP 4543084 A1 EP4543084 A1 EP 4543084A1
Authority
EP
European Patent Office
Prior art keywords
signaling
indication information
terminal
information
handover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP23826535.9A
Other languages
English (en)
French (fr)
Other versions
EP4543084A4 (de
Inventor
Chenxi Wang
Peng Sun
Wei Bao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivo Mobile Communication Co Ltd
Original Assignee
Vivo Mobile Communication Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vivo Mobile Communication Co Ltd filed Critical Vivo Mobile Communication Co Ltd
Publication of EP4543084A1 publication Critical patent/EP4543084A1/de
Publication of EP4543084A4 publication Critical patent/EP4543084A4/de
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/0085Hand-off measurements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/16Performing reselection for specific purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/34Reselection control
    • H04W36/36Reselection control by user or terminal equipment
    • H04W36/362Conditional handover
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053Allocation of signalling, i.e. of overhead other than pilot signals
    • H04L5/0057Physical resource allocation for CQI
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0094Indication of how sub-channels of the path are allocated
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/0005Control or signalling for completing the hand-off
    • H04W36/0083Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
    • H04W36/00837Determination of triggering parameters for hand-off
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W36/00Hand-off or reselection arrangements
    • H04W36/08Reselecting an access point
    • H04W36/085Reselecting an access point involving beams of access points
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

Definitions

  • This application pertains to the field of communications technologies, and specifically relates to a handover processing method and apparatus and a communication device.
  • a network indicates the terminal through higher-layer signaling Reconfiguration WithSync (Reconfiguration WithSync) to perform cell handover, which includes behaviors such as higher-layer resetting/reconstruction, applying physical layer configuration of a target cell, access to the target cell, time-frequency synchronization of the target cell, and CSI obtaining.
  • Reconfiguration WithSync Reconfiguration WithSync
  • the terminal needs to interrupt data transmission from a source cell. Because operations such as higher-layer signaling, higher-layer resetting, and random access occupy more time, a communication interruption time of the terminal is relatively long, and interruption is also more frequent in high-speed mobile scenarios with more frequent cell handover, which may lead to a communication failure of the terminal.
  • Embodiments of this application provide a handover processing method and apparatus, and a communication device, so as to resolve the problem of a relatively long communication interruption time of terminals due to a long handover delay caused when the terminal performs cell handover.
  • a handover processing method including:
  • a handover processing method including: sending, by a network-side device, first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • a handover processing apparatus applied to a terminal and including:
  • a handover processing apparatus applied to a network-side device and including: a first sending module, configured to send first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • a terminal includes a processor and a memory, and a program or instructions executable on the processor are stored in the memory.
  • the program or the instructions are executed by the processor, the steps of the method according to the first aspect are implemented.
  • a terminal including a processor and a communication interface, where the communication interface is configured to obtain first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object; and the processor is configured to perform the first operation according to the first signaling and the second signaling.
  • a network-side device includes a processor and a memory, and a program or instructions executable on the processor are stored in the memory.
  • the program or the instructions are executed by the processor, the steps of the method according to the second aspect are implemented.
  • a network-side device including a processor or a communication interface.
  • the communication interface is configured to send first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • a handover processing system including: a terminal and a network-side device, where the terminal may be configured to perform the steps of the method according to the first aspect, and the network-side device may be configured to perform the steps of the method according to the second aspect.
  • a readable storage medium where a program or instructions are stored in the readable storage medium, and when the program or the instructions are executed by a processor, the steps of the method according to the first aspect are implemented, or the steps of the method according to the second aspect are implemented.
  • a chip includes a processor and a communication interface, the communication interface is coupled to the processor, and the processor is configured to run a program or instructions to implement the method according to the first aspect or implement the method according to the second aspect.
  • a computer program/program product is provided, where the computer program/program product is stored in a storage medium, and the computer program/program product is executed by at least one processor to implement the steps of the method according to the first aspect or the second aspect.
  • the terminal obtains the first signaling and the second signaling, obtains the configuration information of the first object and the second object according to the first signaling, determines, according to the second signaling, whether to perform handover, determines the target object for handover (one of the second objects, namely the third object), then obtains the configuration information of the third object from the obtained configuration information, and hands over from the first object to the third object based on the configuration information of the third object.
  • the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover, which reduces a cell handover delay, further reduces a communication interruption time of the terminal, and improves reliability and transmission efficiency of mobility management.
  • first and second are intended to distinguish between similar objects but do not necessarily indicate a specific order or sequence. It should be understood that the terms used in this way can be used interchangeably under appropriate circumstances, so that the embodiments of this application can be implemented in an order other than those illustrated or described here, and objects distinguished by “first” and “second” are usually of one type, and the number of objects is not limited.
  • objects distinguished by “first” and “second” are usually of one type, and the number of objects is not limited.
  • “and/or” in the specification and claims indicates at least one of connected objects, and the symbol “/” generally indicates that the associated objects are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-A LTE-advanced
  • LTE-A LTE-Advanced
  • CDMA code division multiple access
  • TDMA time division multiple access
  • FDMA frequency division multiple access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA single-carrier Frequency-Division Multiple Access
  • system and “network” in the embodiments of this application are usually used interchangeably. Techniques described herein may be used in the aforementioned systems and radio technologies, and may also be used in other systems and radio technologies.
  • New Radio New Radio
  • NR New Radio
  • NR terms are used in most of the following descriptions, although these technologies may also be applied to other applications than an NR system application, for example, the 6th generation (6 th Generation, 6G) communication system.
  • FIG. 1 is a block diagram of a wireless communication system to which the embodiments of this application are applicable.
  • the wireless communication system includes a terminal 11 and a network-side device 12.
  • the terminal 11 may be a terminal-side device, such as a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a palmtop computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) device, a robot, a wearable device (Wearable Device), vehicle user equipment (Vehicle User Equipment, VUE), pedestrian user equipment (Pedestrian User Equipment, PUE), a smart home device (a home device with wireless communication function, such as a refrigerator, a television, a washing machine, or a furniture), a game console
  • the wearable device includes: a smart watch, a wrist band, smart earphones, smart glasses, smart jewelry (smart bracelet, smart wristband, smart ring, smart necklace, smart anklet, smart ankle bracelet, or the like), smart wristband, smart clothing, and the like. It should be noted that a specific type of the terminal 11 is not limited in the embodiments of this application.
  • the network-side device 12 may include an access network device or a core network device, where the access network device may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function, or a radio access network unit.
  • RAN Radio Access Network
  • the access network device may include a base station, a wireless local area network (Wireless Local Area Network, WLAN) access point, a wireless fidelity Wi-Fi node, or the like.
  • the base station may be referred to as a NodeB, an evolved NodeB (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home NodeB, a home evolved NodeB, a transmission and reception point (Transmitting Receiving Point, TRP), or another appropriate term in the art.
  • the base station is not limited to a specific technical term. It should be noted that in the embodiments of this application, the base station in the NR system is merely used as an example, and a specific type of the base station is not limited.
  • the longest time for obtaining the TA after reception of the handover signaling RRC reconfiguration by the terminal to uplink synchronization is about 71 ms, which is a large delay.
  • the terminal After receiving RRC handover signaling, the terminal adjusts an AGC parameter through SSB monitoring and sends uplink information to the target cell based on a TA value of the source cell; and considers the handover successful after receiving a physical downlink control channel (Physical Downlink Control Channel, PDCCH) scrambled by a radio network temporary identifier (Cell RNTI, C-RNTI) of the target cell.
  • PDCCH Physical Downlink Control Channel
  • C-RNTI radio network temporary identifier
  • beam management can be implemented only in a serving cell, that is, the terminal can perform measurement only on a reference signal RS of the serving cell and report a beam measurement result to the network side.
  • the network side can merely indicate beam information of an RS associated with the serving cell to the terminal, so as to ensure that a beam direction for data reception or transmission of the terminal is consistent with that of the network side.
  • users A and B can detect suitable beams only in a coverage area of cell (cell) A, and user C can merely detect suitable beams in cell B.
  • Beam indication is divided into downlink beam indication and uplink beam indication.
  • a downlink beam is indicated by a transmission configuration indicator (Transmission Configuration Indicator, TCI) state, and the downlink beam indication can be indicated through RRC-based direct configuration, or media access control control element (Media Access Control Control Element, MAC CE) indication, or MAC CE+ downlink control information (Downlink Control Information, DCI) joint indication.
  • An uplink beam is indicated by spatial relation (spatial relation), and the uplink beam indication can also be indicated in the above three manners.
  • the cross-cell beam management feature is introduced in R17. That is, the terminal can perform measurement on not only an RS of the serving cell, but also RSs of multiple neighboring cells; and based on an L1 measurement result reported by the terminal, the network side dynamically indicates an optimal beam to the terminal for scheduling transmission.
  • the network side dynamically indicates an optimal beam to the terminal for scheduling transmission.
  • FIG. 3 when user A moves to a location of user B, beams of cell A and cell B can be measured and reported. The user A is still in the coverage area of cell A and has not been handed over to cell B; therefore, public messages are still transmitted through the beam of cell A, and for dedicated channels or reference signals, the network can indicate the beam (TCI state#3) of cell B for transmission.
  • a unified transmission configuration indicator unified TCI is introduced in R17.
  • the unified TCI has two modes, namely joint TCI and separate TCI.
  • the joint TCI means that both uplink and downlink channels and/or reference signals use a same beam
  • the separate TCI means that uplink channels and/or reference signals use one beam and uplink channels and/or reference signals use one beam.
  • a beam of common channels/reference signals is indicated by R15/16 TCI
  • a beam of dedicated channels/reference signals can be indicated by unified TCI.
  • t304 is started after the terminal receives reconfiguration WithSync, and if the target cell receives an RRC reconfiguration complete message before the t304 expires, the target cell considers that the terminal has successfully handed over to the target cell.
  • the terminal receives reconfigurationWithSync, the t304 is started, and the terminal sends an UL grant to the target cell. If receiving a PDCCH scrambled by a C-RNTI of the target cell before t304 expires, the terminal considers that the target cell confirms a successful cell handover.
  • conditional handover For conditional handover (Conditional Handover, CHO), the terminal receives configuration information and conditional configuration information of the source cell and a plurality of candidate cells. When an L3 measurement result meets a configuration condition, configuration information of a corresponding candidate cell takes effect and t304 is started. If the terminal completes random access before t304 expires, the target cell considers that the user has successfully completed the handover.
  • an embodiment of this application provides a handover processing method, including the following steps.
  • Step 401 A terminal obtains first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • the first object is different from the second object, and the first object or the second object is one of the following:
  • the third object is a target object for handover.
  • the first operation further includes a cross-cell beam switching operation.
  • the terminal obtains the first signaling through RRC signaling, and obtains the second signaling through media access control control element (MAC CE) and downlink control information (Downlink Control Information, DCI).
  • MAC CE media access control control element
  • DCI Downlink Control Information
  • Step 402 The terminal performs the first operation according to the first signaling and the second signaling.
  • the terminal hands over from the first object to the third object according to the first signaling and the second signaling.
  • the terminal obtains the first signaling and the second signaling, obtains the configuration information of the first object and the second object according to the first signaling, determines, according to the second signaling, whether to perform handover, determines the target object for handover (one of the second objects, namely the third object), then obtains the configuration information of the third object from the obtained configuration information, and hands over from the first object to the third object based on the configuration information of the third object.
  • the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover, which reduces a cell handover delay, further reduces a communication interruption time of the terminal, and improves reliability and transmission efficiency of mobility management.
  • the configuration information indicated by the first signaling includes at least one of the following:
  • the higher-layer configuration information includes at least one of the following:
  • the physical layer related configuration information includes at least one of the following: configuration information of a reference signal (Reference Signal, RS) resource, configuration information for channel state information (Channel State Information, CSI) reporting, frequency domain information, a subcarrier spacing (Subcarrier Spacing, SCS), a cell radio network temporary identifier (Cell RNTI, C-RNTI), a random access channel (Random Access Channel, RACH) resource, a transmission configuration indicator (Transmission Configuration Indicator, TCI), and a spatial relation (spatial relation).
  • Reference Signal Reference Signal
  • CSI Channel State Information
  • SCS subcarrier Spacing
  • SCS subcarrier Spacing
  • Cell RNTI Cell Radio network temporary identifier
  • RACH Random Access Channel
  • TCI Transmission Configuration Indicator
  • spatial relation spatial relation
  • the RS includes synchronization signal and PBCH block (Synchronization Signal and PBCH block, SSB), CSI reference signal for beam management (CSI-RS for BM), tracking reference signal (Tracking Reference Signal, TRS), channel state information reference signal (CSI-RS for CSI) used for channel state information, and sounding reference signal (Sounding Reference Signal, SRS), where the TCI includes joint TCI (joint TCI), separate TCI (including DL TCI and UL TCI), and TCI state.
  • the first indication information may be indicated implicitly by using a RACH resource, C-RNTI, measurement configuration or reporting configuration of an aperiodic RS, TCI state grouping information, or spatial relation grouping information in physical layer related configuration information, or may be indicated by adding one higher-layer parameter.
  • the grouping of TCI states or spatial relations is to divide a TCI state or spatial relation configured for each object into a group, where one group of TCI states or spatial relations is used for inter-cell beam management, and the other group of TCI states or spatial relations is used for indicating handover. At least part of TCI states or spatial relations in each group are associated with other objects, or a TCI state or spatial relation in each group is only associated with its own object.
  • the configuration information is configured in a unit of object, or the configuration information is shared by the first object and the second object, or part of the configuration information is configured in a unit of object, and part of the configuration information is shared by the first object and the second object.
  • configuration information time-frequency resource configuration, power control, timing information, spatial relation/transmission configuration indicator, and the like
  • uplink signals including but not limited to SRS, preamble, physical uplink control channel (Physical Uplink Control Channel, PUCCH), or physical uplink shared channel (Physical Uplink Shared Channel, PUSCH)
  • uplink signals including but not limited to SRS, preamble, physical uplink control channel (Physical Uplink Control Channel, PUCCH), or physical uplink shared channel (Physical Uplink Shared Channel, PUSCH)
  • PUCCH Physical Uplink Control Channel
  • PUSCH Physical Uplink Shared Channel
  • the terminal sends an uplink signal based on the configuration information of each object, and if part of uplink signal configuration information is default, sends an uplink signal with reference to a current service object (the first object) or part of uplink signal configuration information for an object whose part of uplink signal configuration information is not defaulted; or if the network configures only one set of uplink signal configuration information, the terminal sends an uplink signal according to the uplink signal configuration information, that is, sends the uplink signal based on timing and power control of the first object; or if the network configures only two sets of configuration information of uplink signals, where one set is used for uplink measurement or transmission of the current serving cell (the first object) and the other set is used for uplink measurement of multiple neighboring cells (the second object).
  • a TCI state pool is configured in a unit of object, and a configuration manner for TCI states in the TCI state pool can also be divided into two types: one is that part of TCI states in a TCI state pool of the first object is associated with the second object, that is, TCI state configuration information contains an object identifier of the second object; the other is that all TCI states in the TCI state pool of the first object are associated only with the first object, that is, an object identifier is defaulted in the TCI state configuration information, or the TCI state configuration information contains only an object identifier of the first object.
  • information indicated by the second signaling includes at least one of the following:
  • the second indication information is used to indicate quasi co-location information after handover, which can be specifically expressed as the following types:
  • the second indication information is associated with an identifier of a first beam indication information group, where the first beam indication information group is used for indicating the quasi co-location information after handover.
  • the network configures multiple groups of beam indication information, where one group of beam indication information is used to indicate the quasi co-location information after handover, one group of beam indication information is used to indicate non-handover cross-cell quasi co-location information, and one group of beam indication information is used to indicate quasi co-location information associated with the current serving cell.
  • the second indication information is associated with a first indicator field, and the first indicator field indicates that the second indication information is used for cell handover.
  • the identifier of the second indication information indicates that the second indication information is used for cell handover; that is, the network configures a plurality of second indication information, where the second indication information identified by [x1,x2] is used to indicate the quasi co-location information after handover, the second indication information identified by [x3,x4] is used to indicate the non-handover cross-cell quasi co-location information, and the second indication information identified by [x5,x6] is used to indicate the quasi co-location information associated with the current serving cell.
  • that the terminal performs the first operation according to the first signaling and the second signaling includes: performing handover from the first object to the third object in a case that at least one of the first signaling and the second signaling meets a first condition.
  • the first condition includes at least one of the following:
  • the method in this embodiment of this application further includes:
  • a starting time point of the first time period is a first time point, and/or an ending time point of the first time period is a second time point;
  • the second time point includes at least one of the following:
  • an indication manner of the first preset time period includes at least one of the following:
  • a time length of the first preset time period is determined based on at least one of the following:
  • the first-type signaling includes at least one of the following:
  • the first-type channel includes at least one of the following: a signal and/or channel of the third object received or sent by the 1st terminal.
  • the method in this embodiment of this application further includes:
  • the third condition includes at least one of the following:
  • the third reference signal includes at least one of a RS directly or indirectly associated with a TCI state or spatial relation indicated by the second indication information, and all or part of RSs of the third object, where the RS includes SSB, CSI-RS, SRS, and the like.
  • a starting time point of the second time period is a third time point, and/or an ending time point of the second time period is a fourth time point; where the third time point includes at least one of the following:
  • the fourth time point includes at least one of the following:
  • an indication manner of the second preset time period includes at least one of the following:
  • a time length of the second preset time period is determined based on at least one of the following:
  • the first-type signaling includes at least one of the following:
  • the method in this embodiment of this application further includes:
  • the method in this embodiment of this application further includes: in a case that the second signaling is formed by at least one MAC CE, the terminal performs data and/or signal transmission according to a second rule during handover from the first object to the third object or after handover to the third object.
  • the second rule includes at least one of the following:
  • the first MAC CE is a MAC CE carrying fourth indication information, that is, a cell handover command.
  • the second MAC CE is a MAC CE carrying other indication information than the fourth information, and the other indication information includes transmission configuration information indicating at least one of PUCCH, PUSCH, PDCCH, PDSCH, SRS, and CSI-RS.
  • the transmission configuration information includes at least one of transmission configuration status indication, spatial relation, and power control configuration parameter.
  • the third indication information is used to indicate that the indication information in the second MAC CE is used for data and/or signal transmission of the third object, and the third indication information may be indicated by one bit, where a value of 1 indicates that the terminal transmits data and/or signals with the third object according to the indication information in the second MAC CE.
  • the fourth indication information includes at least one of a handover indication, a third object identifier, and a third object configuration information index.
  • the method in this embodiment of this application further includes:
  • the second operation includes at least one of the following:
  • the method in this embodiment of this application further includes: in a case that the second signaling includes no second indication information, performing, by the terminal, data and/or signal transmission according to sixth indication information during handover from the first object to the third object or after handover to the third object.
  • the sixth indication information is indication information received by the terminal before reception of the second signaling, and the sixth indication information is used to indicate at least one of a transmission configuration indicator state, spatial relation information, and a power control configuration parameter.
  • the terminal obtains the first signaling and the second signaling, obtains the configuration information of the first object and the second object according to the first signaling, determines, according to the second signaling, whether to perform handover, determines the target object for handover (one of the second objects, namely the third object), then obtains the configuration information of the third object from the obtained configuration information, and hands over from the first object to the third object based on the configuration information of the third object.
  • the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover.
  • advance RACH being performed to implement uplink synchronization of the target object for handover greatly reduces a cell handover delay, while operations of tracking downlink time-frequency synchronization of the second object in advance and performing CSI measurement and reporting of the second object in advance can further reduce a communication interruption time of the terminal and improve reliability and transmission efficiency of mobility management.
  • an embodiment of this application provides a handover processing method, including the following step.
  • Step 501 A network-side device sends first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • that the network-side device sends the first signaling and second signaling includes: sending, by the network-side device, the first signaling through RRC signaling, and sending the second signaling through MAC CE and DCI.
  • the configuration information indicated by the first signaling includes at least one of the following:
  • information indicated by the second signaling includes at least one of the following:
  • the terminal obtains the first signaling and the second signaling, and based on the configuration information of the first object and the second object indicated by the first signaling and according to the second signaling, determines whether to perform handover, determines the target object for handover, and hands over from the first object to the third object. In this process, the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover.
  • advance RACH being performed to implement uplink synchronization of the target object for handover greatly reduces a cell handover delay, while operations of tracking downlink time-frequency synchronization of the second object in advance and performing CSI measurement and reporting of the second object in advance can further reduce a communication interruption time of the terminal and improve reliability and transmission efficiency of mobility management.
  • the handover procedure in a single carrier scenario includes:
  • Case 1 RACH-less (cell handover based on synchronization between a source cell and a target cell) or advance RACH.
  • a starting time of the interruption time includes at least one of the following:
  • An ending time of the interruption time includes at least one of the following: a time point corresponding to the Y1-th time unit after a slot in which the terminal feeds back an ACK of the second signaling for indicating handover, where a value of Y1 is configured by the network or specified by the protocol, and a time unit is symbol/slot/subframe/frame/us/ms/s.
  • At least one of the following factors is mainly considered for the value of Y1:
  • a handover success judgment criterion includes at least one of the following:
  • a starting time, ending time, and duration of the specific time are configured by the network or specified by the protocol.
  • the first threshold, the second threshold, and the third threshold are configured by the network or specified by the protocol.
  • the terminal feeds back, at a slot n, an acknowledgement ACK of receiving the second signaling, and after slot n+X4 time units, sends one or more preambles according to a preset rule based on a RACH resource (CFRA or CBRA) associated with the third object configured in the first signaling, so as to access the third object.
  • a RACH resource CFRA or CBRA
  • a value of X4 is configured by the network or specified by the protocol and a time unit is symbol/slot/subframe/frame/us/ms/s.
  • Interruption time (first time period): A starting time of the interruption time: is the same as that of RACH-less.
  • An ending time of the interruption time includes at least one of the following:
  • At least one of the following factors is mainly considered for the value of Y3:
  • a handover success judgment criterion includes at least one of the following:
  • a starting time, ending time, and duration of the specific time are configured by the network or specified by the protocol.
  • the first threshold, the second threshold, and the third threshold are configured by the network or specified by the protocol.
  • Step 4 In the process of handover or after successful handover, the terminal performs data transmission according to the first rule.
  • handover in the carrier aggregation scenario includes the following scenarios:
  • Processing manner 2 (Option-2): Handover is performed in a unit of cell group.
  • Processing manner 3 Change of the PCell/PSCell and the SCell is implemented through L1/L2 handover.
  • Step 1 The terminal receives first signaling and second signaling.
  • Configuration of the first signaling In Option-2, configuration is made using a cell group as an object, and in the first specific embodiment and Option-3, configuration is made using a cell as an object.
  • the second signaling includes only one identifier of the first object and the third object, respectively; in Option-3, the second signaling may include identifiers of multiple first objects and third objects; in the first embodiment, the second signaling indicates only one beam information; in Option-2 and Option-3, one or more beam information may be indicated in the second signaling. Besides beam information, this holds true for RS resource indication, CSI measurement and reporting indication, TA, and uplink signal resource indication.
  • Step 2 The terminal combines the first signaling and the second signaling to determine whether the second signaling is a handover command. If a first condition is satisfied, the second signaling is a handover command; otherwise, the terminal does not perform handover, and then follows the R17 cross-cell beam management procedure. Specific content of the first condition is the same as that of the first specific embodiment.
  • Step 3 After determining that the second signaling is switching signaling, the terminal determines whether the handover is successful, and determines a data interruption time.
  • Option 2 and Option 3 may be the same as the first specific embodiment, that is, determining is performed in a unit of cell, or determining whether the handover is successful and determining the interruption time corresponding to the handover may be implemented in a unit of multiple cells or cell groups.
  • the terminal considers the handover successful; otherwise, the handover fails.
  • the starting time of the interruption time is an earliest starting time in interruption times of all cells in the plurality of cells or cell groups
  • the ending time is the latest ending time in the interruption times of all cells in the plurality of cells or cell groups.
  • the terminal performs data transmission and reception in the plurality of cells or cell groups according to the first transmission mode.
  • Step 4 In the process of handover or after successful handover, the terminal performs data transmission according to the first rule.
  • the first rule is the same as that in the first specific embodiment, and specific implementation is different as follows:
  • the terminal When a plurality of beam information or uplink signal resource indications are indicated in the second signaling, and one or more third objects indicated in the second signaling are not configured to support simultaneous beam update, after determining beam information or uplink signal resource indications respectively corresponding to the plurality of objects according to the predetermined rule, the terminal performs data transmission and reception in a corresponding object based on their respective beam information or uplink signal resource indication.
  • the terminal obtains the first signaling and the second signaling, and based on the configuration information of the first object and the second object indicated by the first signaling and according to the second signaling, determines whether to perform handover, determines the target object for handover, and hands over from the first object to the third object. In this process, the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover.
  • the execution subject may be a handover processing apparatus.
  • the handover processing method being performed by the handover processing apparatus is used as an example to describe the handover processing apparatus provided in the embodiments of this application.
  • a handover processing apparatus 600 is provided, applied to a terminal.
  • the apparatus includes:
  • the configuration information indicated by the first signaling includes at least one of the following:
  • information indicated by the second signaling includes at least one of the following:
  • the first execution module is configured to perform handover from the first object to the third object in a case that at least one of the first signaling and the second signaling meets a first condition.
  • the first condition includes at least one of the following:
  • the apparatus in this embodiment of this application further includes:
  • a starting time point of the first time period is a first time point, and/or an ending time point of the first time period is a second time point; where the first time point includes at least one of the following:
  • a time length of the first preset time period is determined based on at least one of the following:
  • the apparatus in this embodiment of this application further includes:
  • the third condition includes at least one of the following:
  • a starting time point of the second time period is a third time point, and/or an ending time point of the second time period is a fourth time point; where the third time point includes at least one of the following:
  • the fourth time point includes at least one of the following:
  • a time length of the second preset time period is determined based on at least one of the following:
  • the first-type signaling includes at least one of the following:
  • the apparatus in this embodiment of this application further includes:
  • the terminal obtains the first signaling and the second signaling, and based on the configuration information of the first object and the second object indicated by the first signaling and according to the second signaling, determines whether to perform handover, determines the target object for handover, and hands over from the first object to the third object. In this process, the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover.
  • advance RACH being performed to implement uplink synchronization of the target object for handover greatly reduces a cell handover delay, while operations of tracking downlink time-frequency synchronization of the second object in advance and performing CSI measurement and reporting of the second object in advance can further reduce a communication interruption time of the terminal and improve reliability and transmission efficiency of mobility management.
  • the handover processing apparatus in this embodiment of the application may be an electronic device, such as an electronic device with an operating system, or a component in the electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal or other devices than the terminal.
  • the terminal may include, but is not limited to, the types of the terminal 11 listed above, and other devices may be a server, a network attached storage (Network Attached Storage, NAS), and the like. This is not limited in the embodiments of this application.
  • the handover processing apparatus provided in this embodiment of this application can implement the processes implemented in the method embodiment in FIG. 4 , with the same technical effects achieved. To avoid repetition, details are not described herein again.
  • an embodiment of this application further provides a handover processing apparatus 700, applied to a network-side device.
  • the apparatus includes: a first sending module 701, configured to send first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • the first sending module is configured to send the first signaling through RRC signaling, and send the second signaling through MAC CE and DCI.
  • the configuration information indicated by the first signaling includes at least one of the following:
  • information indicated by the second signaling includes at least one of the following:
  • the network-side device sends the first signaling and the second signaling
  • the terminal obtains the first signaling and the second signaling, obtains the configuration information of the first object and the second object according to the first signaling, determines, according to the second signaling, whether to perform handover, determines the target object for handover (one of the second objects, namely the third object), then obtains the configuration information of the third object from the obtained configuration information, and hands over from the first object to the third object based on the configuration information of the third object.
  • the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover.
  • advance RACH being performed to implement uplink synchronization of the target object for handover greatly reduces a cell handover delay, while operations of tracking downlink time-frequency synchronization of the second object in advance and performing CSI measurement and reporting of the second object in advance can further reduce a communication interruption time of the terminal and improve reliability and transmission efficiency of mobility management.
  • an embodiment of this application further provides a communication device 800, including a processor 801, a memory 802, and a program or instructions stored in the memory 802 and executable on the processor 801.
  • a communication device 800 including a processor 801, a memory 802, and a program or instructions stored in the memory 802 and executable on the processor 801.
  • the communication device 800 is a terminal and when the program or the instructions are executed by the processor 801, the steps of the foregoing embodiments of the handover processing method on the terminal side are implemented, with the same technical effects achieved.
  • the communication device 800 is a network-side device and when the program or the instructions are executed by the processor 801, the processes of the foregoing embodiment of the handover processing method on the network-side device side are implemented, with the same technical effects achieved. To avoid repetition, details are not described herein again.
  • An embodiment of this application further provides a terminal, including a processor and a communication interface, where the communication interface is configured to obtain first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object; and the processor is configured to perform the first operation according to the first signaling and the second signaling.
  • FIG. 9 is a schematic diagram of a hardware structure of a terminal for implementing the embodiments of this application.
  • the terminal 900 includes but is not limited to at least part of components such as a radio frequency unit 901, a network module 902, an audio output unit 903, an input unit 904, a sensor 905, a display unit 906, a user input unit 907, an interface unit 908, a memory 909, and a processor 910.
  • the terminal 900 may further include a power supply (for example, a battery) supplying power to the components, and the power supply may be logically connected to the processor 910 through a power management system. In this way, functions such as charge management, discharge management, and power consumption management are implemented by using the power management system.
  • a power supply for example, a battery
  • functions such as charge management, discharge management, and power consumption management are implemented by using the power management system.
  • the structure of the terminal shown in FIG. 9 does not constitute any limitation on the terminal.
  • the terminal may include more or fewer components than shown in the figure, or a combination of some components, or the components disposed differently. Details are not described herein again.
  • the input unit 904 may include a graphics processing unit (Graphics Processing Unit, GPU) 9041 and a microphone 9042.
  • the graphics processing unit 9041 processes image data of a still picture or video obtained by an image capture apparatus (such as a camera) in a video capture mode or an image capture mode.
  • the display unit 906 may include a display panel 9061, and the display panel 9061 may be configured in a form of a liquid crystal display, an organic light-emitting diode, and the like.
  • the user input unit 907 may include at least one of a touch panel 9071 and other input devices 9072.
  • the touch panel 9071 is also referred to as a touchscreen.
  • the touch panel 9071 may include two parts: a touch detection apparatus and a touch controller.
  • the other input devices 9072 may include but are not limited to a physical keyboard, a function key (such as a volume control key or a power on/off key), a trackball, a mouse, a joystick, and the like. Details are not described herein.
  • the radio frequency unit 901 receives downlink data from a network-side device, and then sends the downlink data to the processor 910 for processing. In addition, the radio frequency unit 901 may send uplink data to the network-side device.
  • the radio frequency unit 901 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like.
  • the memory 909 may be configured to store software programs or instructions and various data.
  • the memory 909 may include a first storage area for storing a program or instructions and a second storage area for storing data.
  • the first storage area may store an operating system, an application program or instruction required by at least one function (for example, a sound playback function or an image playback function), and the like.
  • the memory 909 may include a volatile memory or a non-volatile memory, or the memory 909 may include both a volatile memory and a non-volatile memory.
  • the non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), and an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM), or flash memory.
  • ROM Read-Only Memory
  • PROM programmable read only memory
  • Erasable PROM Erasable PROM
  • EPROM erasable programmable read-only memory
  • Electrically erasable programmable read-only memory Electrically erasable programmable read-only memory
  • the volatile memory can be a random access memory (Random Access Memory, RAM), a static random access memory (Static RAM, SRAM), a dynamic random access memory (Dynamic RAM, DRAM), a synchronous dynamic random access memory (Synchronous DRAM, SDRAM), a double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDRSDRAM), an enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), a synchlink dynamic random access memory (Synch link DRAM, SLDRAM), and a direct rambus random access memory (Direct Rambus RAM, DRRAM).
  • RAM Random Access Memory
  • SRAM static random access memory
  • DRAM dynamic random access memory
  • DRAM synchronous dynamic random access memory
  • SDRAM double data rate synchronous dynamic random access memory
  • Enhanced SDRAM, ESDRAM enhanced synchronous dynamic random access memory
  • Synch link DRAM, SLDRAM synchlink dynamic random access memory
  • Direct Rambus RAM Direct Rambus RAM
  • the processor 910 may include one or more processing units.
  • an application processor and a modem processor may be integrated in the processor 910.
  • This application processor primarily processes operations involving an operating system, user interfaces, application programs, and the like.
  • the modem processor primarily processes radio communication signals, for example, being a baseband processor. It can be understood that the modem processor may alternatively be not integrated in the processor 910.
  • the radio frequency unit 901 is configured to obtain first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object; and the processor 910 is configured to perform the first operation according to the first signaling and the second signaling.
  • the terminal obtains the first signaling and the second signaling, obtains the configuration information of the first object and the second object according to the first signaling, determines, according to the second signaling, whether to perform handover, determines the target object for handover (one of the second objects, namely the third object), then obtains the configuration information of the third object from the obtained configuration information, and hands over from the first object to the third object based on the configuration information of the third object.
  • the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover, which reduces a cell handover delay, further reduces a communication interruption time of the terminal, and improves reliability and transmission efficiency of mobility management.
  • the configuration information indicated by the first signaling includes at least one of the following:
  • information indicated by the second signaling includes at least one of the following:
  • the processor 910 is configured to: performing handover from the first object to the third object in a case that at least one of the first signaling and the second signaling meets a first condition.
  • the first condition includes at least one of the following:
  • the radio frequency unit 901 is configured to:
  • a starting time point of the first time period is a first time point, and/or an ending time point of the first time period is a second time point; where the first time point includes at least one of the following:
  • a time length of the first preset time period is determined based on at least one of the following:
  • the processor 910 is configured to:
  • the third condition includes at least one of the following:
  • a starting time point of the second time period is a third time point, and/or an ending time point of the second time period is a fourth time point; where the third time point includes at least one of the following:
  • the fourth time point includes at least one of the following:
  • a time length of the second preset time period is determined based on at least one of the following:
  • the first-type signaling includes at least one of the following:
  • the radio frequency unit 901 is configured to:
  • the terminal obtains the first signaling and the second signaling, obtains the configuration information of the first object and the second object according to the first signaling, determines, according to the second signaling, whether to perform handover, determines the target object for handover (one of the second objects, namely the third object), then obtains the configuration information of the third object from the obtained configuration information, and hands over from the first object to the third object based on the configuration information of the third object.
  • the terminal does not need to parse higher-layer handover signaling to obtain the configuration information of the target object for handover.
  • advance RACH being performed to implement uplink synchronization of the target object for handover greatly reduces a cell handover delay, while operations of tracking downlink time-frequency synchronization of the second object in advance and performing CSI measurement and reporting of the second object in advance can further reduce a communication interruption time of the terminal and improve reliability and transmission efficiency of mobility management.
  • An embodiment of this application further provides a network-side device, including a processor and a communication interface, where the processor is configured to obtain first signaling and second signaling, where the first signaling is used for indicating configuration information of a first object and at least one second object, or for indicating configuration information of at least one second object, and the second signaling is used for indicating information related to a first operation, where the first operation includes that the terminal is handed over from the first object to a third object, and the third object is an object in the at least one second object.
  • the network-side device embodiments correspond to the foregoing network-side device method embodiments, and the implementation processes and implementations of the foregoing method embodiments can be applied to the network-side device embodiments, with the same technical effects achieved.
  • the network-side device 1000 includes an antenna 101, a radio frequency apparatus 102, a baseband apparatus 103, a processor 104, and a memory 105.
  • the antenna 101 is connected to the radio frequency apparatus 102.
  • the radio frequency apparatus 102 receives information by using the antenna 101, and sends the received information to the baseband apparatus 103 for processing.
  • the baseband apparatus 103 processes to-be-sent information, and sends the information to the radio frequency apparatus 102; and the radio frequency apparatus 102 processes the received information and then sends the information out by using the antenna 101.
  • the method executed by the network-side device in the foregoing embodiments can be implemented in the baseband apparatus 103, and the baseband apparatus 103 includes a baseband processor.
  • the baseband apparatus 103 may include, for example, at least one baseband board, where a plurality of chips are disposed on the baseband board. As shown in FIG. 10 , one of the chips is, for example, a baseband processor, and is connected to the memory 105 through the bus interface, to invoke a program in the memory 105 to perform the operations of the network device shown in the foregoing method embodiments.
  • the network-side device may further include a network interface 106, where the interface is, for example, a common public radio interface (common public radio interface, CPRI).
  • a common public radio interface common public radio interface, CPRI
  • the network-side device 1000 in this embodiment of the present invention further includes: instructions or a program stored in the memory 105 and executable on the processor 104.
  • the processor 104 invokes the instructions or program in the memory 105 to execute the method executed by the modules shown in FIG. 7 , with the same technical effects achieved. To avoid repetition, details are not repeated herein.
  • An embodiment of this application further provides a readable storage medium, where a program or instructions are stored in the readable storage medium.
  • a program or instructions are stored in the readable storage medium.
  • the processor is a processor in the terminal described in the foregoing embodiments.
  • the readable storage medium includes a computer-readable storage medium, for example, a computer read only memory ROM, a random access memory RAM, a magnetic disk, or an optical disc.
  • An embodiment of this application further provides a chip, where the chip includes a processor and a communication interface.
  • the communication interface is coupled to the processor, and the processor is configured to run a program or an instruction to implement the processes of the foregoing embodiment of the handover processing method, with the same technical effects achieved. To avoid repetition, details are not described herein again.
  • the chip mentioned in the embodiments of this application may also be referred to as a system-level chip, a system chip, a chip system, a system-on-chip, or the like.
  • An embodiment of this application further provides a computer program/program product, where the computer program/program product is stored in a storage medium, and when being executed by at least one processor, the computer program/program product is configured to implement the processes of the foregoing embodiments of the handover processing method, with the same technical effects achieved. To avoid repetition, details are not repeated herein.
  • An embodiment of this application further provides a handover processing system, including a terminal and a network-side device, where the terminal can be configured to execute the processes of the foregoing embodiments of the handover processing method on the terminal side, and the network-side device can be configured to execute the processes of foregoing embodiments of the handover processing method on the network-side device side.
  • the disclosed apparatus and method may be implemented in other manners.
  • the described apparatus embodiment is merely an example.
  • the unit division is merely logical function division and may be other division in actual implementation.
  • a plurality of units or components may be combined or integrated into another system, or some features may be ignored or may not be performed.
  • the displayed or discussed mutual couplings or direct couplings or communications connections may be implemented by using some interfaces.
  • the indirect couplings or communications connections between apparatuses or units may be implemented in electrical, mechanical, or other forms.
  • Units described as separate components may or may not be physically separated.
  • a component displayed as a unit may be or may not be a physical unit, that is may be located in one place, or may be distributed in a plurality of network elements. Some or all of the units may be selected based on actual requirements to achieve the objectives of the solutions of the embodiments.
  • the functions When the functions are implemented in a form of a software functional unit and sold or used as an independent product, the functions may be stored in a computer-readable storage medium.
  • the computer software product is stored in a storage medium, and includes several instructions for instructing a computer device (which may be a personal computer, a server, a network device, or the like) to perform all or some of the steps of the methods described in the embodiments of the present disclosure.
  • the foregoing storage medium includes: any medium that can store program code, such as a USB flash drive, a removable hard disk, a ROM, a RAM, a magnetic disk, or an optical disc.
  • the program may be stored in a computer readable storage medium. When the program runs, the processes of the method embodiments may be included.
  • the storage medium may include: a magnetic disk, an optical disc, a read-only memory (Read-Only Memory, ROM), or a random access memory (Random Access Memory, RAM).
  • the computer software product is stored in a storage medium (such as a ROM/RAM, a magnetic disk, or an optical disc), and includes several instructions for instructing a terminal (which may be a mobile phone, a computer, a server, an air conditioner, a network device, or the like) to perform the methods described in the embodiments of this application.
  • a storage medium such as a ROM/RAM, a magnetic disk, or an optical disc
  • a terminal which may be a mobile phone, a computer, a server, an air conditioner, a network device, or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
EP23826535.9A 2022-06-24 2023-06-21 Übergabeverarbeitungsverfahren und -vorrichtung sowie kommunikationsvorrichtung Pending EP4543084A4 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202210730369 2022-06-24
CN202310193145.7A CN117295123A (zh) 2022-06-24 2023-02-28 切换处理方法、装置及通信设备
PCT/CN2023/101800 WO2023246890A1 (zh) 2022-06-24 2023-06-21 切换处理方法、装置及通信设备

Publications (2)

Publication Number Publication Date
EP4543084A1 true EP4543084A1 (de) 2025-04-23
EP4543084A4 EP4543084A4 (de) 2025-10-22

Family

ID=89252438

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23826535.9A Pending EP4543084A4 (de) 2022-06-24 2023-06-21 Übergabeverarbeitungsverfahren und -vorrichtung sowie kommunikationsvorrichtung

Country Status (4)

Country Link
US (1) US20250133470A1 (de)
EP (1) EP4543084A4 (de)
CN (1) CN117295123A (de)
WO (1) WO2023246890A1 (de)

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111432478B (zh) * 2019-01-10 2023-06-23 大唐移动通信设备有限公司 一种bwp切换方法、终端及网络侧设备
CN113056935A (zh) * 2019-01-31 2021-06-29 Oppo广东移动通信有限公司 用于切换网络设备的方法和终端设备
FI3922058T3 (fi) * 2019-02-05 2023-05-25 Ericsson Telefon Ab L M Mittauskonfiguraation käsittely ehdollisen liikkuvuuden toteutuksen yhteydessä
WO2020164016A1 (zh) * 2019-02-13 2020-08-20 Oppo广东移动通信有限公司 小区切换的方法和设备
EP3866349A1 (de) * 2020-02-13 2021-08-18 Nokia Technologies Oy Basisstation und benutzerausstattung
CN111901838B (zh) * 2020-02-14 2024-09-10 中兴通讯股份有限公司 一种信令接收、发送方法及设备
KR102587704B1 (ko) * 2020-07-24 2023-10-11 아서스테크 컴퓨터 인코포레이션 무선 통신 시스템에서 이동성 절차를 위한 방법 및 장치
EP4213527B1 (de) * 2020-09-08 2024-11-06 Guangdong Oppo Mobile Telecommunications Corp., Ltd. Verfahren zum senden eines übergabeerfolgsberichts, endgerätevorrichtung und netzwerkvorrichtung
CN114337756A (zh) * 2020-09-30 2022-04-12 维沃移动通信有限公司 波束处理方法、装置及相关设备

Also Published As

Publication number Publication date
WO2023246890A1 (zh) 2023-12-28
CN117295123A (zh) 2023-12-26
EP4543084A4 (de) 2025-10-22
US20250133470A1 (en) 2025-04-24

Similar Documents

Publication Publication Date Title
US20250056625A1 (en) Terminal operation method and apparatus, terminal, and network-side device
EP4510701A1 (de) Zellumschaltungsverfahren, zellumschaltungskonfigurationsverfahren und -vorrichtung, endgerät und netzwerkseitige vorrichtung
US20240235761A1 (en) Transmission processing method and apparatus, terminal, network-side device, and storage medium
US20240179781A1 (en) Method and Device for Transmitting Reference Signal
WO2023207985A1 (zh) 测量和上报方法、装置、设备、系统及存储介质
US20250071643A1 (en) Handover method, terminal, and network side device
EP4462711A1 (de) Verfahren und vorrichtung zur aktualisierung des tci-status, kommunikationsvorrichtung, system und speichermedium
US12538325B2 (en) Transmission mode determining method and apparatus, and communications device
WO2023202632A1 (zh) 资源分配方法、设备及可读存储介质
US20240188166A1 (en) Data Transmission Method for Small Data Transmission (SDT) and Terminal
US20240405949A1 (en) Method and apparatus for determining downlink tci state, terminal, and network side device
US20240154773A1 (en) Tci state determining method and apparatus, terminal, and network-side device
US20250015868A1 (en) Beam failure detection method and apparatus, terminal, and storage medium
US20250176015A1 (en) RA Method, UE and Non-Transitory Readable Storage Medium
US20240357664A1 (en) Communication operation execution method and apparatus, terminal, and storage medium
EP4543084A1 (de) Übergabeverarbeitungsverfahren und -vorrichtung sowie kommunikationsvorrichtung
EP4462869A1 (de) Zustandsumschaltverfahren, endgerät und netzwerkseitige vorrichtung
WO2024022247A1 (zh) 定时提前ta的维护方法、装置、设备及介质
US20250039815A1 (en) Information obtaining method and apparatus, information sending method and apparatus, terminal, and network-side device
EP4383626A1 (de) Verfahren und vorrichtung zur bestimmung von strahlinformationen sowie kommunikationsvorrichtung und speichermedium
CN120301568A (zh) 参考信号的发送方法、接收方法及装置
WO2025031245A1 (zh) 调整传输限制的方法、装置、设备及可读存储介质
WO2024212950A1 (zh) 信息传输方法、装置及通信设备
CN120547696A (zh) 信号测量的触发方法、终端及网络侧设备
WO2025113342A1 (zh) Ssb的激活或去激活方法、终端及网络侧设备

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20250115

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20250922

RIC1 Information provided on ipc code assigned before grant

Ipc: H04W 36/00 20090101AFI20250916BHEP

Ipc: H04W 36/08 20090101ALI20250916BHEP

Ipc: H04W 36/16 20090101ALI20250916BHEP

Ipc: H04W 36/36 20090101ALI20250916BHEP

Ipc: H04L 5/00 20060101ALN20250916BHEP

Ipc: H04W 72/04 20230101ALN20250916BHEP